What is every Big Ten Conference team's record against the over/under line as a road underdog since the 2003 season?

Definitions
Team Over Record Over % Under % Total +/-
Indiana 40-24-1 62.5% 37.5% +5.1
Nebraska 22-15-0 59.5% 40.5% +6.7
Wisconsin 14-11-0 56.0% 44.0% +2.3
Minnesota 31-28-1 52.5% 47.5% +0.1
Illinois 33-30-0 52.4% 47.6% +2.0
Michigan St 20-19-0 51.3% 48.7% +1.5
Maryland 34-33-2 50.7% 49.2% +0.9
Penn State 16-16-1 50.0% 50.0% -1.4
Rutgers 32-36-0 47.1% 52.9% +3.0
Purdue 27-31-1 46.6% 53.4% -1.1
Michigan 15-18-0 45.5% 54.5% -0.1
Northwestern 25-35-1 41.7% 58.3% +0.3
Ohio State 5-7-0 41.7% 58.3% -0.2
Iowa 15-26-1 36.6% 63.4% -5.5